—— 请按键盘 空白键 开始游戏 ——

Learning is essentially a matter of stimulus-response connections.
Enterprises must fulfill their social responsibilities, promoting environmental protection and sustainable development while ensuring energy supply.
预测未来的最好方式就是创造未来。
I'm not perfect, but I pursue perfection.
Every artist dips his brush in his own soul, and paints his own nature into his pictures.